at berkeley law school. is published very extensively on education very importantly. i want to start with terry. one of the most important things roll and effectively just and certainly his paper said i think at least is, the great promise of charters is that they provide us with certain lessons as to what works and roland has roland has identified five, which can then be ideally deployed in district schools or traditional public schools. .. >> he fired everybody and started over again. it is hard work. you are talking about shifting coulter and major shift of expectations. the schools did not get this bad overnight. they were failing 12 years ago but we did not have the political will what we talk about here. change of public education is tough. utility's excess with fed charters that kept doing the same thing of those that were running them before then you have innovative and creative leaders that will not keep the status quo. we're spending $2,000 more per student more than our traditional schools. we add